WO2015111813A1

WO2015111813A1 - Device for driving ribbon take-up reel of sublimation photo printer

Info

Publication number: WO2015111813A1
Application number: PCT/KR2014/007937
Authority: WO
Inventors: 노광호
Original assignee: 프리닉스 주식회사
Priority date: 2014-01-24
Filing date: 2014-08-26
Publication date: 2015-07-30
Also published as: KR101507064B1

Abstract

The present invention relates to a driving device for rotating a take-up reel of a sublimation photo printer. The device for driving the ribbon take-up reel of the sublimation photo printer, according to the present invention, has a simple configuration, such that a compact sublimation photo printer can be configured and can precisely drive the take-up reel for a thermal transfer ribbon, thereby improving the accuracy of operation and print quality.

Description

【Specification】

[Name of invention]

Ribbon Take-Up Reel Drive for Sublimation Photo Printers

Technical Field

The present invention relates to a driving device for rotating a take-up reel of a sublimation photo printer.

Background technology

The sublimation printer is a device in which a thermal recording head heats a ribbon coated with three dye colors of yellow (Y), magenta (M), and cyan (C) to print high quality photographs on printing paper.

At this time, an apparatus for winding the ribbon in association with the operation of transferring the printing paper to the thermal recording head is necessary.

Republic of Korea Patent Publication No. 10-0479842 'Power transmission device for limiting the transfer of the thermal transfer ribbon' describes a power transmission device for winding the ribbon.

In the power transmission device configured as shown in FIG. 1, when the driving motor 10 rotates forward clockwise, the swing gear 20 is engaged with the feed gear trains 31 to 34.

By transporting the pick-up roller 36, only the recording paper is transferred. When the driving motor 10 is rotated in reverse, the swing gear 20 is engaged with the feed gear trains 40 to 42 and the platen roller 44 and the discharge roller. (46), the winding 48 is interlocked so as to print the received data on the recording paper while simultaneously transferring the thermal transfer ribbon 49 and the recording paper.

The power transmission device for winding the conventional ribbon configured as described above is operated in conjunction with the pickup of the paper to switch the power of the take-up reel, but the connection part is complicated, and the speed deviation occurs when the ribbon is wound. There was a problem.

[Detailed Description of the Invention]

[Technical problem]

The present invention has been made to solve the above problems, a simple sublimation photo printer can be configured in a simple configuration, the ribbon of the sublimation photo printer that can accurately drive the take-up reel of the thermal transfer ribbon It is an object of the present invention to provide a take-up reel drive.

Technical Solution

In order to achieve the above object, the ribbon take-up reel driving device of the sublimation type photo printer according to the present invention includes a capstan roller 102 having both shafts supported on a frame 101; Two sides The capstan roller 107 is fastened to the capstan roller 102 and configured to be rotatable about the capstan shaft 110 at one side of the capstan roller 102; Platen rollers 103 supported on both shaft platen platen brackets 127; A platen lever 109 having one side of the capstan shaft 110 inserted therein and the other side of the platen lever 103 having a protruding pole ratton lever protrusion 123 inserted therein; In order to rotate in conjunction with the capstan shaft 110 from the outside of the platen bracket (107)

A capstan gear 111 inserted into the capstan shaft 110; The capstan shaft 110 is inserted from the outside of the capstan gear 111 to rotate around the capstan shaft 110, and a locking jaw 117 is formed at one side, and a swing lever housing 118 is provided. 115; The swing gear

A swing gear 119 inserted into the housing 118 and engaged with the capstan gear 111; A rectangular hole in which a pin is coupled to the frame 101 and a platen lever protrusion 123 is inserted at one side around the pin is formed, and the stopper 114 is in contact with the locking jaw 117 of the swing lever 115 at the other side. Is formed swing switching lever 112; is configured to include.

At this time, the swing gear housing 118 is formed to protrude and inserted into the swing gear housing groove 121 of the frame 101 to limit the rotational angular displacement of the swing gear 119 around the capstan shaft 110. It is characterized in that configured to.

In addition, the swing lever 115 is characterized in that the swing lever protrusion 116 protrudes and is inserted into the swing lever protrusion groove 122 of the frame 101 to prevent the swing gear.

Advantageous Effects

The ribbon take-up reel driving device of the sublimation type photo printer according to the present invention configured as described above is simple in configuration and can form a compact sublimation type photo printer, and the accuracy of operation by accurately driving the take-up reel of the thermal transfer ribbon And can improve the print quality.

[Brief Description of Drawings]

1 is a view showing a power transmission device for limiting the transfer of a conventional thermal transfer ribbon. Figure 2 is a front perspective view showing a ribbon take-up reel drive device according to the present invention. Figure 3 is a rear perspective view showing a ribbon take-up reel drive device according to the present invention. 4 is a perspective view showing the main part of the ribbon take-up reel drive according to the present invention.

5 is a view showing a state in which the swing switching lever is fastened to the printer frame.

Figure 6 is an exploded perspective view showing an exploded main part of the present invention.

7 shows a ribbon take-up reel drive in an initial state. 8 shows a ribbon take-up reel drive in the half-up section of the cam. 9 illustrates a ribbon take-up reel drive in the pull-up section of the cam. <Explanation of symbols for main parts of the drawings>

101 frame 102 capstan

103 Platen roller 104 Thermal recording head

105 Bevel Gear 106 Cam

107 Platen Bracket 108

109 Platen lever 110 capstan shaft

111 Capstan Gear 112 Swing Shift Lever

113 Swing shift lever pin 114 Stopper

115 Swing lever 116 Swing lever protrusion

117 Jaw Jaw 118 ᅳ Swing Gear Housing

119 swing gear 120 ： take up reel gear

121 ^' swing gear housing groove 122 ： Swing lever protrusion groove

123 ： Platen lever turning

[Best form for implementation of the invention]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a ribbon track reel driving device of a sublimation photo printer according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 shows a ribbon take-up reel drive device according to the present invention

A front perspective view, and Figure 3 is a rear perspective view Tosa a ^"ribbon take-up reel drive device according to the invention, Figure 4 is a perspective view of Fig. A major portion of the ribbon take-up reel driving apparatus according to the present invention deadline, Figure 5 is Figure 6 is a view showing a state in which the swing switching lever is fastened to the printer frame, Figure 6 is an exploded perspective view showing the main part of the present invention exploded, Figure 7 is a view showing the ribbon take-up reel driving device of the initial state. 8 is a view showing a ribbon take-up reel driving device in the half-up section of the cam, Figure 9 is a view showing a ribbon take-up reel driving device in the pull-up section of the cam.

As shown in FIGS. 2, 3, and 6, the photo printer has both shafts 110 of the capstan loader 102 inserted into one groove of the platen lever 109 so that both grooves of the platen bracket 107 are provided. Inserted into and coupled to the other side of the platen lever 109, the shaft of the platen roller 103 is inserted so that the platen roller 103 is spaced apart from the capstan roller 102 by a predetermined distance to the capstan roller shaft 110. It is configured to rotate about.

As shown in FIG. 2, the thermal recording head 104 is disposed on the platen roller 103. When the platen roller 103 presses the printing paper with the thermal recording head, it heats the thermal transfer ribbon to record the image on the printing paper.

3, a driven joint 108 protrudes from one side of the platen bracket 107, and the driven joint 108 is a bevel gear 105 pin-coupled to the bottom of the frame 101. It is in contact with the cam 106 formed in the.

The bevel gear 105 is rotated at the bottom of the frame 101 by the driving of a motor (not shown), the cam 106 of the three-stage height protrudes in the vertical direction on the top of the bevel gear 105. do. Accordingly, by rotating the bevel gear 105, the platen bracket 107 is moved up and down by rotating the cap stun roller 102 in the axis.

The ribbon take-up reel driving device of the photo printer according to the present invention is formed on one side of the capstan roller.

As shown in Figure 6 protrudes to one side of the platen bracket 107

Capstan gear 111 is inserted into the capstan shaft 110 is configured to rotate the cap stern gear 111 in conjunction with the rotation of the capstan shaft (107), protruding from one side of the capstan gear 111 ( A hollow shaft is inserted into the lower center groove (unsigned) of the swing lever 115.

And the swing gear protruding to one side in the upper portion of the swing lever 115

The housing 118 is formed, the swing gear housing 118 is inserted into the swing gear 119 is engaged with the capstan gear 111 is configured to rotate in conjunction with the capstan gear 111.

In addition, a swing lever protrusion 116 is formed to protrude from one side of the swing lever 115, and a locking jaw 117 is formed below the swing lever protrusion 116.

As shown in FIG. 5, the swing switching lever 112 is coupled to the frame 101 by the swing switching lever pin 113 on one side of the frame 101 so that the swing switching lever 112 is frame 101. In the swing well ring lever pin 113 is installed so as to rotate freely.

The swing switching lever 112 has a rectangular flaw (unsigned) formed on one side of the swing switching lever pin 113 to protrude laterally from the platen lever 109. Is inserted into the rectangular groove, and the swing switching lever 112

The swing switching lever 112 is extended to the other side of the swing switching lever pin 113.

A stopper 114 is formed so that the stopper 114 of the swing switching lever 112 is in contact with the engaging jaw 117 of the swing lever 115 as shown in FIGS. 4 and 5. A ribbon take-up reel drive of the printer is constructed. Hereinafter, the operation of the ribbon take-up reel driving device of the sublimation photo printer according to the present invention will be described in detail.

7 shows the ribbon in its initial state where the follower 108 of the platen bracket 107 is in contact with the cam 106 of the bevel gear 105 and the follower 108 is in contact with the lowest position of the cam 106. It is a figure which shows a take pressure reel drive apparatus. ᅳ

When the printing operation of the photo printer starts, the capstan roller 102 rotates while the capstan roller 102 rotates, and the platen lever 109 inserted into a rectangular groove formed on one side of the swing switching lever 112 as shown in FIG. 7. Since the platen lever protrusion 123 is in contact with the lower end of the rectangular groove, the capstan roller 102 is driven to swing the capstan gear 111 even when the capstan gear 111 rotates to the latching jaw 117 of the swing lever 115. Since the stuffer 114 of the lever 112 is in contact, the swing lever 115 does not rotate about the capstan shaft 110.

Therefore, even if the capstan roller 102 rotates as shown in FIG. 7, the swing gear 119 does not rotate about the capstan shaft 110 so that the swing gear 119 does not engage with the take-up reel gear 120 of the ribbon cartridge. Therefore, the take-up reel gear 120 does not rotate.

In this state, the bevel gear 105 of FIG. 7 is rotated so that the follower 108 is in contact with the second height section of the cam 106, and the platen bracket 107 is rotated.

The clockwise rotation around the capstan gear 111 as shown in Figure 8

Platen Bracket 107 is adored.

As described above, when the platen bracket 107 is raised, the platen roller 103 is

In proximity to the thermal recording head 104, and the platen lever 109 of FIG.

Rotating clockwise around the capstan shaft 110, the platen lever protrusion 123 that is in contact with the bottom of the rectangular groove formed on one side of the swing switching lever 112 is raised.

As described above, while the platen lever protrusion 123 is raised, the swing lever 115

Pressing of the locking jaw 117 of the stopper 114, which has been pressing the locking jaw 117, is released.

Accordingly, the swing lever 115, which cannot be rotated because the locking jaw 117 is caught by the stopper 114 while trying to rotate clockwise around the capstan shaft 110 by the driving of the capstan roller 102, is stopped. While rotating while pushing 114, the swing gear 119 is engaged with the take-up reel gear 120 as shown in FIG. As the swing gear 119 is engaged with the take-up reel gear 120 as described above, the ribbon is wound while the take-up reel of the ribbon cartridge rotates. The bevel gear 105 is further rotated so that the follower 108 is in contact with the pull-up section, which is the highest section of the cam 106, and the platen bracket 107 is further raised as shown in FIG. In the half-up section of the cam 106 described above, the platen roller 103 is raised to approach the thermal recording head 104. In the pull-up section, the platen bracket 107 is further raised while the platen roller 103 is raised. The turn roller 103 is pressed against the thermal recording head 104.

As shown in Fig. 6, the platen lever 109, which combines both axes of the platen roller 103, has a spring (unsigned) at the bottom of the platen lever 109 relative to the platen bracket 107. Since the platen lever 109 is elastically supported, when the platen bracket 107 is further raised in the pull-up section as described above, the spring elastically supporting the platen lever 109 elastically contracts and the platen roller Printing is started by pressing 103 to the thermal recording head 104. At this time, as shown in Fig. 9, the swing lever 1150 rotates clockwise around the capstan shaft 11 (3), and the swing gear 119 is engaged with the take-up reel gear 120. Printing is conventionally performed. When the bevel gear 105 rotates and the follower 108 contacts the lowest position of the cam 106, the platen bracket 107 and the platen lever 109 counterclockwise around the capstan shaft 110. While descending while rotating in the direction, the platen lever projection 123 is lowered while pressing the lower end of the rectangular groove of the swing switching lever (112).

As described above, when the platen lever protrusion 123 rotates and presses the bottom of the rectangular groove of the swing switching lever 112, the swing switching lever 112 rotates the swing switching lever pin 113 in the counterclockwise direction. When the stopper 114 of the swing switching lever 112 is raised, the locking jaw 117 of the swing lever 115 is pressed.

As the stopper 114 of the swing change lever 112 rises, the swing lever 115

When the locking jaw 117 is pressed, the swing lever 119 rotates the capstan shaft 110 counterclockwise about its axis while the swing gear 119 falls off from the take-up reel gear 120 and takes as shown in FIG. 7. Up reel gear 120 operation is stopped.

Swing lever 115 rotates the capstan shaft 110 to the axis as shown in FIG.

When the swing gear 119 is engaged with the take-up reel gear 120, the swing gear 119 prevents the gear teeth from being deeply stuck in the gear teeth of the take-up reel gear 120.

It is necessary to limit the rotation angle displacement of the swing lever 115.

In order to limit the rotation angle displacement of the swing lever 115 in the embodiment of the present invention as shown in Figure 4 the swing gear housing groove 121 is formed on one side of the frame 101,

The swing gear housing 118 is inserted when the swing lever 115 rotates the capstan shaft 110 by the shaft by inserting the protruding swing gear housing 118 of the swing lever 115 into the swing gear housing groove 121. By swinging the swing gear housing groove 121 wall of the frame 101 and limiting the rotation angle displacement of the swing lever 115, the swing gear 119 makes the gear teeth take-up reel gear 120 To avoid getting stuck in the gear teeth of the

Then, as shown in FIG. 4, the swing lever protrusion 116 is formed to protrude from the swing lever 115, and the swing lever protrusion 116 is inserted into the swing lever protrusion groove 122 of the frame 101 as shown in FIG. 5. In such a configuration, it is preferable that the swing gear 119 is configured so that the swing gear 119 does not come off when the swing lever 115 rotates the capstan shaft 110 around the shaft.

The ribbon take-up reel driving device of the sublimation type photo printer according to the present invention configured as described above is simple in construction by configuring the shaft of the swing lever 115 on the same axis as the shaft of the capstan roller 102, and the swing switching lever. Operation 112 is accurate by pin 112 to rigid frame 101.

Therefore, the ribbon take-up reel driving device of the sublimation type photo printer according to the present invention can be constituted by a simple sublimation type photo printer with a simple configuration, and the operation accuracy and printing by driving the take-up reel of the thermal transfer ribbon accurately This has the effect of improving quality.

The ribbon take-up reel driving device of the sublimation type photo printer according to the present invention has been described above.

The technical configuration of the present invention will be understood by those skilled in the art that the present invention can be implemented in other specific forms without changing the technical spirit or essential features.

Therefore, the above-described embodiments are to be understood in all respects as illustrative and not restrictive, the scope of the invention being indicated by the following claims rather than the foregoing description, and the meanings of the claims and All changes or modifications derived from the scope and equivalent concepts thereof should be construed as being included in the scope of the present invention.

Claims

【Scope of Claim】

【Claim 1】

Capstan roller (102) supported on both axes by the frame (101);

A platen bracket (107) fastened on both sides to the capstan roller (102) and configured to rotate about the capstan axis (110) on one side of the capstan roller (102);

A platen roller (103) whose two axes are supported by the platen bracket (127);

A platen lever (109) on one side of which the capstan shaft (110) is inserted, and on the other side, a platen lever (109) provided with a protruding platen lever protrusion (123) and into which the platen roller (103) shaft is inserted;

A capstan gear 111 inserted into the capstan shaft 110 to rotate in conjunction with the capstan shaft 110 outside the platen bracket 107;

The capstan axis 110 is inserted from the outside of the capstan gear 111 and rotates about the capstan axis 110, a locking protrusion 117 is formed on one side, and a swing lever (118) is provided with a swing gear housing 118. 115);

A swing gear (119) inserted into the swing gear housing (118) and engaged with the capstan gear (111);

A pin is coupled to the frame 101, and a rectangular hole is formed on one side centered on the pin into which the platen lever protrusion 123 is inserted, and on the other side, a stopper 114 is in contact with the locking protrusion 117 of the swing lever 115. ) A ribbon take-up reel driving device of a sublimation-type photo printer, characterized in that it includes a swing changeover lever (112) formed.

【Claim ² 】

In paragraph 1,

The swing gear housing 118 is formed to protrude and is inserted into the swing gear housing groove 121 of the frame 101 to limit the rotational angular displacement of the swing gear 119 about the capstan axis 110. Features of the ribbon take-up reel driving device of the sublimation photo printer -

【Claim 3】

According to clause 1,

The swing lever protrusion 116 protrudes from the swing lever 115 and is inserted into the swing lever protrusion groove 122 of the frame 101 to prevent the swing gear from being separated. Ribbon take of a sublimation photo printer Up reel drive.